| 单词 | point-event |
| 释义 | > as lemmaspoint-event point-event n. an occurrence conceived of as having a definite position in space and time but no extent or duration. ΘΚΠ the world > space > [noun] > space-time continuum > event or position in point-event1918 point-instant1920 1918 A. S. Eddington Rep. Relativity Theory Gravitation ii. 15 In the four-dimensional continuum the interval δs between two point-events..is unaffected by any rotation of the axes, and is therefore invariant for all observers. 1993 Computers & Humanities 27 239/2 Two segment types are evident: (a) those which are localized as point-events in an unfolding space-time versus..(b) those which cannot be localized as point-events, because they are ‘present’..without an explicit beginning or end. < as lemmas |
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